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CVE-2026-80184

Quick assessment

Affected
OpenStack Keystone
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 OpenStack Keystone 29.0.3 之前的版本中，通过委托认证机制（如 OAuth1 访问令牌、应用凭据、信任委托）获取的令牌，可以被提交到令牌方法认证路径以进行重新认证，从而绕过其预期的项目作用域限制。当提交的应用凭据令牌没有显式指定作用域时，Keystone 会颁发一个以该凭据所有者默认项目为作用域的新令牌，而不是该凭据被创建时所归属的项目，从而规避了预期的项目边界。所有支持通过 OAuth1 访问令牌、应用凭据或信任委托进行委托认证的 Keystone 部署均受此漏洞影响。

CVSS 7.6 · High
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I. Basic Information for CVE-2026-80184

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In OpenStack Keystone before 29.0.3, tokens obtained via delegated authentication mechanisms (OAuth1 access tokens, application credentials, trusts) could be submitted to the token-method authentication path for reauthentication to escape their intended project scope. When an application credential token was presented with no explicit scope, Keystone would issue a new token scoped to the credential owner's default project rather than the project for which the credential was issued, bypassing the intended project boundary. All Keystone deployments that permit delegated authentication through OAuth1 access tokens, application credentials, or trusts are affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenStack Keystone 13.0.0 ~ 27.0.3 -

II. Public POCs for CVE-2026-80184

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III. Intelligence Information for CVE-2026-80184

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Vendor Advisories for CVE-2026-80184 (2)

Mailing List Discussions for CVE-2026-80184 (1)

IV. Related Vulnerabilities

Same product: Keystone
Same vendor: OpenStack
Same weakness: CWE-863

V. Comments for CVE-2026-80184

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